HOUSTON --The Houston Texans faithful fans have made the team one of the most valuable in the NFL. Despite posting only one winning season in the last nine years, the Texans have sold out every game at Reliant Stadium. Worth an estimated $1.17 billion, Forbes magazine ranked the Texans number nine of the 50 most valuable franchises in the world. The Dallas Cowboys ranked number two, second only to Manchester United soccer club. Click here for the full list of Forbes' rankings.